ChiSquare - Test of Independence

DATA Below Contains Part Quality data of three Suppliers.At = 0.05, does Part Quality depend on Supplier, or should the cheapest Supplier be chosen?

Part Quality

Supplier Good Minor Defect Major Defect

A 100 5 8

B 160 18 4

C 150 7 11

Question options:

None of the answers fit the data.

Pvalue of 0.0008 rejects the assumption of independence of Part Quality and Supplier. Further supplier evaluation is recommended.

Pvalue of 0.008 rejects the assumption of independence of Part Quality and Supplier. Further supplier evaluation is recommended.

Pvalue of 0.039 rejects the assumption of independence of Part Quality and Supplier. Further supplier evaluation is recommended.

The assumption of independence of Part Quality and Supplier cannot be rejected. Choose the cheapest Supplier.